访问中继器控制并更改其属性
我试图禁用/隐藏位于中继器控件内的 lnkDelete 按钮。我使用了这个方法,但是我收到一条错误消息: 你调用的对象是空的。我不确定问题是什么。我能够使用智能感知来显示控件的 Visible 属性,这向我证明我确实具有中继器内控件的范围,任何人都可以提供帮助。 谢谢鲍勃
protected void rptCAP_ItemDataBound(object sender, RepeaterItemEventArgs e)
{
var lnkDel = e.Item.FindControl("lnkDelete").Visible = false;
}
·怀特
I am trying to either disable / hide the lnkDelete button that is located inside repeater control. I used this method, however I get an error message:
Object reference not set to an instance of an object. I am not sure what seems to be the problem. I am able to use intellesense to show the Visible property of the control, this proof to me that I do have scope to the control inside the repeater, anyone can help.
thanks
protected void rptCAP_ItemDataBound(object sender, RepeaterItemEventArgs e)
{
var lnkDel = e.Item.FindControl("lnkDelete").Visible = false;
}
Bob white
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您需要添加 if 语句来检查 itemtype 是项目还是交替项目,而不是页眉项目或页脚项目:
you need to add an if statement to check if the itemtype is an item or alternating item and not header item or footer item:
鲍勃,即使 FindControl 没有返回控件,您似乎也在尝试设置 Visible 属性。
你可能应该做类似的事情
Bob it would seem you're trying to set the Visible property even when the FindControl doesn't return a control.
You should probably do something like